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273
app/lib/core/theme/app_theme.dart
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273
app/lib/core/theme/app_theme.dart
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:google_fonts/google_fonts.dart';
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class AppTheme {
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// Brand Colors - HHA Corporate Colors
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static const Color hhaRed = Color(0xFFE3001B);
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static const Color hhaDarkRed = Color(0xFFB30015);
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static const Color hhaLightRed = Color(0xFFFF4D5E);
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// State Colors
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static const Color stateDelivery = Color(0xFFB3B3B3);
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static const Color stateStation = Color(0xFFFFDD00);
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static const Color stateInFA = Color(0xFF9CDA7A);
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static const Color stateRetFail = Color(0xFFFF9081);
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static const Color stateRetDS = Color(0xFFAFE0ED);
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static const Color stateRetGI = Color(0xFFAFE0ED);
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static const Color stateFinDS = Color(0xFF29B7FB);
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static const Color stateFinGI = Color(0xFF25BAFC);
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static const Color stateInVS = Color(0xFFFAE14B);
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// Functional Colors
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static const Color success = Color(0xFF4CAF50);
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static const Color warning = Color(0xFFFF9800);
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static const Color error = Color(0xFFE3001B);
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static const Color info = Color(0xFF2196F3);
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// Neutral Colors
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static const Color white = Color(0xFFFFFFFF);
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static const Color background = Color(0xFFF5F5F5);
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static const Color surface = Color(0xFFFFFFFF);
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static const Color cardBackground = Color(0xFFFAFAFA);
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static const Color divider = Color(0xFFE0E0E0);
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// Text Colors
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static const Color textPrimary = Color(0xFF212121);
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static const Color textSecondary = Color(0xFF757575);
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static const Color textTertiary = Color(0xFF9E9E9E);
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static const Color textOnDark = Color(0xFFFFFFFF);
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static ThemeData get lightTheme {
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return ThemeData(
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useMaterial3: true,
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colorScheme: const ColorScheme.light(
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primary: hhaRed,
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primaryContainer: hhaLightRed,
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onPrimaryContainer: white,
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secondary: Color(0xFF2196F3),
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onSurface: textPrimary,
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surfaceContainerHighest: background,
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error: error,
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),
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scaffoldBackgroundColor: background,
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appBarTheme: AppBarTheme(
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elevation: 0,
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centerTitle: true,
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backgroundColor: hhaRed,
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foregroundColor: white,
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titleTextStyle: GoogleFonts.inter(
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fontSize: 20,
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fontWeight: FontWeight.w600,
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color: white,
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),
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systemOverlayStyle: const SystemUiOverlayStyle(
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statusBarColor: Colors.transparent,
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statusBarIconBrightness: Brightness.light,
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),
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),
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cardTheme: CardThemeData(
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elevation: 2,
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shadowColor: Colors.black.withValues(alpha: 26),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(16),
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),
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color: surface,
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),
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elevatedButtonTheme: ElevatedButtonThemeData(
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style: ElevatedButton.styleFrom(
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elevation: 0,
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backgroundColor: hhaRed,
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foregroundColor: white,
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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textStyle: GoogleFonts.inter(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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),
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),
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),
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outlinedButtonTheme: OutlinedButtonThemeData(
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style: OutlinedButton.styleFrom(
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foregroundColor: hhaRed,
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side: const BorderSide(color: hhaRed, width: 2),
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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textStyle: GoogleFonts.inter(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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),
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),
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),
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textButtonTheme: TextButtonThemeData(
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style: TextButton.styleFrom(
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foregroundColor: hhaRed,
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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textStyle: GoogleFonts.inter(
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fontSize: 14,
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fontWeight: FontWeight.w600,
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),
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),
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),
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floatingActionButtonTheme: const FloatingActionButtonThemeData(
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backgroundColor: hhaRed,
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foregroundColor: white,
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elevation: 4,
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),
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inputDecorationTheme: InputDecorationTheme(
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filled: true,
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fillColor: surface,
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contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 16),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: divider),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: divider),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: hhaRed, width: 2),
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),
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errorBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: error, width: 2),
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),
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labelStyle: GoogleFonts.inter(
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fontSize: 14,
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color: textSecondary,
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),
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hintStyle: GoogleFonts.inter(
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fontSize: 14,
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color: textTertiary,
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),
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),
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chipTheme: ChipThemeData(
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backgroundColor: background,
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selectedColor: hhaRed.withValues(alpha: 26),
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labelStyle: GoogleFonts.inter(fontSize: 12),
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secondaryLabelStyle: GoogleFonts.inter(
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fontSize: 12,
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color: hhaRed,
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),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8),
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),
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),
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listTileTheme: ListTileThemeData(
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contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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dividerTheme: const DividerThemeData(
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color: divider,
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thickness: 1,
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space: 1,
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),
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textTheme: _textTheme,
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fontFamily: GoogleFonts.inter().fontFamily,
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);
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}
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static TextTheme get _textTheme {
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return TextTheme(
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displayLarge: GoogleFonts.inter(
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fontSize: 32,
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fontWeight: FontWeight.bold,
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color: textPrimary,
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),
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displayMedium: GoogleFonts.inter(
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fontSize: 28,
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fontWeight: FontWeight.bold,
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color: textPrimary,
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),
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displaySmall: GoogleFonts.inter(
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fontSize: 24,
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fontWeight: FontWeight.bold,
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color: textPrimary,
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),
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headlineLarge: GoogleFonts.inter(
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fontSize: 22,
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fontWeight: FontWeight.w600,
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color: textPrimary,
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),
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headlineMedium: GoogleFonts.inter(
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fontSize: 20,
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fontWeight: FontWeight.w600,
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color: textPrimary,
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),
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headlineSmall: GoogleFonts.inter(
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fontSize: 18,
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fontWeight: FontWeight.w600,
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color: textPrimary,
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),
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titleLarge: GoogleFonts.inter(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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color: textPrimary,
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),
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titleMedium: GoogleFonts.inter(
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fontSize: 14,
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fontWeight: FontWeight.w600,
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color: textPrimary,
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),
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titleSmall: GoogleFonts.inter(
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fontSize: 12,
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fontWeight: FontWeight.w600,
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color: textSecondary,
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),
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bodyLarge: GoogleFonts.inter(
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fontSize: 16,
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fontWeight: FontWeight.normal,
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color: textPrimary,
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),
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bodyMedium: GoogleFonts.inter(
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fontSize: 14,
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fontWeight: FontWeight.normal,
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color: textPrimary,
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),
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bodySmall: GoogleFonts.inter(
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fontSize: 12,
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fontWeight: FontWeight.normal,
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color: textSecondary,
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),
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labelLarge: GoogleFonts.inter(
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fontSize: 14,
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fontWeight: FontWeight.w500,
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color: textPrimary,
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),
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labelMedium: GoogleFonts.inter(
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fontSize: 12,
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fontWeight: FontWeight.w500,
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color: textSecondary,
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),
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labelSmall: GoogleFonts.inter(
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fontSize: 10,
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fontWeight: FontWeight.w500,
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color: textTertiary,
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),
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);
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}
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}
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extension ColorExtension on Color {
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Color darken([double amount = .1]) {
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assert(amount >= 0 && amount <= 1);
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final hsl = HSLColor.fromColor(this);
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final hslDark = hsl.withLightness((hsl.lightness - amount).clamp(0.0, 1.0));
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return hslDark.toColor();
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}
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Color lighten([double amount = .1]) {
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assert(amount >= 0 && amount <= 1);
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final hsl = HSLColor.fromColor(this);
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final hslLight = hsl.withLightness((hsl.lightness + amount).clamp(0.0, 1.0));
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return hslLight.toColor();
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}
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}
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